/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.dolphinscheduler.plugin.task.dq.rule.parser;

import static org.apache.dolphinscheduler.plugin.task.api.utils.DataQualityConstants.STATISTICS_TABLE;

import org.apache.dolphinscheduler.common.utils.JSONUtils;
import org.apache.dolphinscheduler.plugin.task.api.DataQualityTaskExecutionContext;
import org.apache.dolphinscheduler.plugin.task.api.enums.dp.ExecuteSqlType;
import org.apache.dolphinscheduler.plugin.task.dq.exception.DataQualityException;
import org.apache.dolphinscheduler.plugin.task.dq.rule.RuleManager;
import org.apache.dolphinscheduler.plugin.task.dq.rule.entity.DqRuleExecuteSql;
import org.apache.dolphinscheduler.plugin.task.dq.rule.parameter.BaseConfig;
import org.apache.dolphinscheduler.plugin.task.dq.rule.parameter.DataQualityConfiguration;
import org.apache.dolphinscheduler.plugin.task.dq.utils.RuleParserUtils;

import java.util.ArrayList;
import java.util.List;
import java.util.Map;

/**
 * SingleTableRuleParser
 */
public class SingleTableRuleParser implements IRuleParser {

  @Override
  public DataQualityConfiguration parse(Map<String, String> inputParameterValue,
                                        DataQualityTaskExecutionContext context) throws DataQualityException {
    List<DqRuleExecuteSql> dqRuleExecuteSqlList =
        JSONUtils.toList(context.getExecuteSqlList(), DqRuleExecuteSql.class);

    DqRuleExecuteSql statisticsSql =
        RuleParserUtils.getExecuteSqlListByType(dqRuleExecuteSqlList, ExecuteSqlType.STATISTICS).get(0);
    inputParameterValue.put(STATISTICS_TABLE, statisticsSql.getTableAlias());

    int index = 1;

    List<BaseConfig> readerConfigList =
        RuleParserUtils.getReaderConfigList(inputParameterValue, context);
    RuleParserUtils.addStatisticsValueTableReaderConfig(readerConfigList, context);

    List<BaseConfig> transformerConfigList = new ArrayList<>();

    //replace the placeholder in execute sql list
    index = RuleParserUtils.replaceExecuteSqlPlaceholder(
        dqRuleExecuteSqlList,
        index,
        inputParameterValue,
        transformerConfigList);

    String writerSql = RuleManager.DEFAULT_COMPARISON_WRITER_SQL;

    if (context.isCompareWithFixedValue()) {
      writerSql = writerSql.replaceAll("full join \\$\\{comparison_table}", "");
    }

    List<BaseConfig> writerConfigList = RuleParserUtils.getAllWriterConfigList(inputParameterValue,
        context, index, transformerConfigList, writerSql, RuleManager.TASK_STATISTICS_VALUE_WRITER_SQL);

    return new DataQualityConfiguration(
        context.getRuleName(),
        RuleParserUtils.getEnvConfig(),
        readerConfigList,
        writerConfigList,
        transformerConfigList);
  }
}
